<template>
  <el-card>
  <div style="margin: 10px 0">
    <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>
<!--    <el-input style="width: 200px" placeholder="请输入邮箱" suffix-icon="el-icon-message" class="ml-5" v-model="email"></el-input>-->
<!--    <el-input style="width: 200px" placeholder="请输入地址" suffix-icon="el-icon-position" class="ml-5" v-model="address"></el-input>-->
    <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
    <el-button type="warning" @click="reset">重置</el-button>
  </div>

  <div style="margin: 10px 0">
    <el-button type="primary" @click="handleAdd">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
  </div>

  <el-table :data="tableData"  :header-cell-class-name="headerBg" @selection-change="handleSelectionChange">
    <el-table-column prop="id" label="ID" width="55"></el-table-column>
    <el-table-column prop="name" label="名称" ></el-table-column>
    <el-table-column prop="type" label="类型" ></el-table-column>
    <el-table-column prop="userId" label="发布人" ></el-table-column>
    <el-table-column label="操作"  align="center">
      <template slot-scope="scope">
        <el-button round type="success" @click="handleEdit(scope.row)"><i class="el-icon-edit"></i></el-button>
        <el-popconfirm
            class="ml-5"
            confirm-button-text='确定'
            cancel-button-text='我再想想'
            icon="el-icon-info"
            icon-color="red"
            title="您确定删除吗？"
            @confirm="del(scope.row.id)"
        >
          <el-button round type="danger" slot="reference"><i class="el-icon-remove-outline"></i></el-button>
        </el-popconfirm>
      </template>
    </el-table-column>
  </el-table>
  <!--        分页组件-->
  <div style="padding: 10px 0">
    <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="pageNum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
    </el-pagination>
  </div>

  <el-dialog title="角色信息" :visible.sync="dialogFormVisible" width="30%" >
    <el-form label-width="80px" size="small">
      <el-form-item label="名称">
        <el-input v-model="form.name" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="唯一标识">
        <el-input v-model="form.flag" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="描述">
        <el-input v-model="form.description" autocomplete="off"></el-input>
      </el-form-item>
    </el-form>
    <div slot="footer" class="dialog-footer">
      <el-button @click="dialogFormVisible = false">取 消</el-button>
      <el-button type="primary" @click="save">确 定</el-button>
    </div>
  </el-dialog>

    <el-dialog title="菜单分配" :visible.sync="menuDialogVis" width="30%">
      <el-tree
          :props="props"
          :data="menuData"
          show-checkbox
          node-key="id"
          ref="tree"
          :default-expanded-keys="expends"
          :default-checked-keys="checks">
         <span class="custom-tree-node" slot-scope="{ node, data }">
            <span><i :class="data.icon"></i> {{ data.name }}</span>
         </span>
      </el-tree>
      <div slot="footer" class="dialog-footer">
        <el-button @click="menuDialogVis = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleMenu">确 定</el-button>
      </div>
    </el-dialog>

  </el-card>
</template>

<script>
export default {
  name: "Role",
  data(){
    return{
      tableData:[],
      total:0,
      pageNum:1,
      pageSize:5,
      name:'',
      email: '',
      address: '',
      form: {
        id:'',
        username:'',
        description:''
      },
      dialogFormVisible: false,
      menuDialogVis:false,
      menuData:[],
      props:{
        label: 'name',
      },
      expends:[],
      checks:[],
      roleId:1,
      multipleSelection: [],
      headerBg:"headerBg"
    }
  },
  created() {
    this.load();
  },
  methods:{
    load() {
      this.request.get("/article/page?pageSize="+this.pageSize+"&pageNum="+this.pageNum).then(res => {
        this.tableData = res.data.data
      })
      this.request.get("/count").then(res=>{
        this.total = res.data.data
      })
    },

    save() {
      this.request.post("/role/save", this.form).then(res => {
        if (res.code==='200') {
          this.$message.success("保存成功")
          this.dialogFormVisible = false
          this.load()
        } else {
          this.$message.error("保存失败")
        }
      })
    },

    handleAdd() {
      this.dialogFormVisible = true
      this.form = {}
    },

    handleEdit(row) {
      this.form = row
      this.dialogFormVisible = true
    },

    del(id) {
      this.request.delete("/role/" + id).then(res => {
        if (res.code==='200') {
          this.$message.success("删除成功")
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },

    handleSelectionChange(val) {
      console.log(val)
      this.multipleSelection = val
    },

    delBatch() {
      let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
      this.request.post("/role/del/batch", ids).then(res => {
        if (res.code==='200') {
          this.$message.success("批量删除成功")
          this.load()
        } else {
          this.$message.error("批量删除失败")
        }
      })
    },

    reset() {
      this.name = ""
      this.load()
    },

    handleSizeChange(pageSize) {
      console.log(pageSize)
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum)
      this.pageNum = pageNum
      this.load()
    },

    exp(){
      window.open("http://localhost:8090/role/export")
    },

    selectMenu(roleId){
      this.roleId=roleId;
      //请求菜单数据
      this.request.get("/menu").then(res => {
        this.menuData = res.data
        //把菜单id包装为数组给expends默认展开
        this.expends=this.menuData.map(v => v.id)
      })
      this.menuDialogVis=true;
      this.request.get("/role-menu/rolemenu/" + this.roleId).then(res => {
        this.checks = res.data
        this.request.get("/menu/ids").then(r => {
          const ids = r.data
          ids.forEach(id => {
            if (!this.checks.includes(id)) {
              this.$refs.tree.setChecked(id, false)
            }
          })
        })
      })
    },

    saveRoleMenu(){
      // console.log(this.$refs.tree.getCheckedKeys());
      this.request.post("/role-menu/rolemenu/"+this.roleId,this.$refs.tree.getCheckedKeys()).then(res=>{
        if (res.code === '200') {
          this.$message.success("绑定成功")
          this.menuDialogVis = false
          this.$router.push("/login")
          localStorage.removeItem("user")
        } else {
          this.$message.error(res.msg)
        }
      })
    }

  }
}
</script>

<style>
.headerBg {
  background: #eee !important;
}
</style>